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17 lines
416 B
C
17 lines
416 B
C
4 years ago
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#include <byte.h>
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#include <string.h>
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int byte_start(const void* a,size_t alen,const void* b,size_t blen) {
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return blen<=alen && !memcmp(a,b,blen);
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}
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#ifdef UNITTEST
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#include <assert.h>
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int main() {
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static char buf[]="The quick brown fox jumps over the lazy dog";
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assert(byte_start(buf,sizeof(buf)-1,"The ",4));
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assert(!byte_start(buf,sizeof(buf)-1,"the ",4));
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assert(!byte_start(buf,3,buf,9));
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}
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#endif
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